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G1 storm watch, M-class solar flare

The NOAA SWPC has issued a minor G1 geomagnetic storm watch (max Kp of 5) for Saturday evening (15 January) and Sunday 16 January due to the arrival of an anticipated coronal hole solar wind stream. 

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Last X-flare2024/06/10X1.55
Last M-flare2024/06/24M1.5
Last geomagnetic storm2024/06/15Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
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May 2024171.7 +35.2
June 2024156.3 -15.4
Last 30 days150.6 +4.5

This day in history*

Solar flares
12024M1.8
22024M1.5
32013M1.42
42024M1.3
52023M1.1
DstG
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*since 1994

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